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ceiling

ceiling /ˈsiːlɪŋ/ noun
plural ceilings
ceiling
/ˈsiːlɪŋ/
noun
plural ceilings
Britannica Dictionary definition of CEILING
[count]
: the inside surface at the top of a room
sometimes used figuratively opposite floor
: an upper limit usually singular
opposite floor; see also glass ceiling
technical : the greatest height at which an aircraft can fly

hit the ceiling

see 1hit

— ceilinged

adjective
used in combination